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  2. Geometric dimensioning and tolerancing - Wikipedia

    en.wikipedia.org/wiki/Geometric_dimensioning_and...

    Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances via a symbolic language on engineering drawings and computer-generated 3D models that describes a physical object's nominal geometry and the permissible variation thereof. GD&T is used to define the nominal (theoretically perfect ...

  3. Geometry Dash - Wikipedia

    en.wikipedia.org/wiki/Geometry_Dash

    Geometry Dash is a side-scrolling music platforming game series developed by Robert Topala. The game was released on 13 August 2013 on iOS and Android, and the Windows and macOS versions on 22 December 2014. In Geometry Dash, players control the movement of an icon and navigate music-based levels while avoiding obstacles such as spikes.

  4. Toyota GD engine - Wikipedia

    en.wikipedia.org/wiki/Toyota_GD_engine

    2GD-FTV. 2GD-FTV. The 2GD-FTV is a 2,393 cc (2.4 L) straight-four common rail diesel engine with a variable nozzle turbocharger (VNT) and intercooler. [30] It has 16 valves and a DOHC (double overhead camshaft) design. Its compression ratio is 15.6:1. Bore x stroke is 92 mm × 90 mm (3.62 in × 3.54 in). It generates 150 PS (148 hp; 110 kW ...

  5. Hyundai Smartstream engine - Wikipedia

    en.wikipedia.org/wiki/Hyundai_Smartstream_engine

    It is a 1,598 cc (97.5 cu in) turbocharged inline 4-cylinder engine with GDi that carries a bore and stroke of 75.6 mm and 89 mm respectively and a 10.0(±0.2):1 compression ratio. This is the world's first production engine to use Continuously Variable Valve Duration (CVVD) technology, allowing it to adjust how long its intake valves remain ...

  6. Gradient descent - Wikipedia

    en.wikipedia.org/wiki/Gradient_descent

    Gradient descent is a method for unconstrained mathematical optimization. It is a first-order iterative algorithm for finding a local minimum of a differentiable multivariate function . The idea is to take repeated steps in the opposite direction of the gradient (or approximate gradient) of the function at the current point, because this is the ...

  7. G-Dragon - Wikipedia

    en.wikipedia.org/wiki/G-Dragon

    G-Dragon was born on August 18, 1988, in Seoul, South Korea. G-Dragon began his career at age six as part of the group Little Roo'Ra. Following the release of the group's Christmas album, the group's contract was terminated by their record company, which shocked G-Dragon.

  8. GD-ROM - Wikipedia

    en.wikipedia.org/wiki/GD-ROM

    t. e. GD-ROM (an abbreviation of " Gigabyte Disc Read-Only Memory ") is a proprietary optical disc format originally used for the Dreamcast video game console, as well as its arcade counterpart, the Sega NAOMI and select Triforce arcade board titles. It was developed by Yamaha to curb piracy common to standard CDs and to offer increased storage ...

  9. General Dynamics - Wikipedia

    en.wikipedia.org/wiki/General_Dynamics

    General Dynamics Corporation (GD) is an American publicly traded aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth-largest defense contractor in the world by arms sales, and fifth largest in the United States by total sales. [2]